
c="fvwm{001y306r-2r3k-465f-9573-13y3dwk7340r}"
a=7
b=22

import string
flag=''
for i in c:
    if ord(i) >= ord("a") and ord(i) <= ord("z"):
        for j in range(0,26):
            if i==chr((a * j+ b) % 26+ord('a')):
                flag += chr(j+ord('a'))
                break
    else:
        flag += i
print(flag)